Square Feet to BTU Calculator

Calculate BTU for Your Room







What is BTU?

BTU (British Thermal Unit) is a unit of heat used to measure the heating or cooling capacity of an appliance. This calculator helps you determine the required BTU based on your room's area, ceiling height, insulation quality, and climate zone.

Formula

The formula to calculate the required BTU is:

\[ \text{BTU} = \text{Room Volume (sq ft)} \times \text{Insulation Factor} \times \text{Climate Factor} \]

Example Calculation

Consider a room with an area of 200 sq ft, a ceiling height of 8 ft, average insulation, and located in a moderate climate zone:

Using the formula:

\[ \text{Room Volume} = 200 \times 8 = 1600 \text{ cubic ft} \]

\[ \text{BTU} = 1600 \times 1.25 \times 40 = 80000 \text{ BTU} \]

This means the required BTU is 80000 BTU.